panic(cpu 4 caller 0xffffff7f90eebad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 140 seconds service: com.apple.logd, total successful checkins since load (4610 seconds ago): 462, last successful checkin: 0 seconds ago service: com.apple.WindowServer, total successful checkins since load (4580 seconds ago): 431, last successful checkin: 140 seconds ago Backtrace (CPU 4), Frame : Return Address 0xffffffce61d13820 : 0xffffff801034198b 0xffffffce61d13870 : 0xffffff8010478c15 0xffffffce61d138b0 : 0xffffff801046a61e 0xffffffce61d13900 : 0xffffff80102e8a40 0xffffffce61d13920 : 0xffffff8010341077 0xffffffce61d13a20 : 0xffffff801034145b 0xffffffce61d13a70 : 0xffffff8010ad2995 0xffffffce61d13ae0 : 0xffffff7f90eebad5 0xffffffce61d13af0 : 0xffffff7f90eeb7e6 0xffffffce61d13b10 : 0xffffff8010a6969b 0xffffffce61d13b60 : 0xffffff8010a72633 0xffffffce61d13ca0 : 0xffffff8010428672 0xffffffce61d13db0 : 0xffffff80103477f8 0xffffffce61d13e10 : 0xffffff801031e515 0xffffffce61d13e70 : 0xffffff8010334f75 0xffffffce61d13f00 : 0xffffff8010450af5 0xffffffce61d13fa0 : 0xffffff80102e9226 Kernel Extensions in backtrace: com.apple.driver.watchdog(1.0)[74096EA7-44C6-3977-BE4F-C3BC05C6EF74]@0xffffff7f90eea000->0xffffff7f90ef2fff BSD process name corresponding to current thread: watchdogd Mac OS version: 19A582a Kernel version: Darwin Kernel Version 19.0.0: Wed Sep 25 21:13:50 PDT 2019; root:xnu-6153.11.26~4/RELEASE_X86_64 Kernel UUID: 61D3568F-F44F-3F2D-9CE5-E596A33D72AD Kernel slide: 0x0000000010000000 Kernel text base: 0xffffff8010200000 __HIB text base: 0xffffff8010100000 System model name: iMac19,1 (Mac-AA95B1DDAB278B95) System shutdown begun: NO Panic diags file available: YES (0x0) System uptime in nanoseconds: 4624258742927 last loaded kext at 488484496278: >usb.cdc.acm 5.0.0 (addr 0xffffff7f95dc8000, size 32768) last unloaded kext at 4341976547803: >!ASMCRTC 1.0 (addr 0xffffff7f919a5000, size 28672) loaded kexts: com.intel.kext.intelhaxm 7.5.1 net.telestream.driver.TelestreamAudio 1.1.1 com.intel.driver.EnergyDriver 3.5.5 >!ATopCaseHIDEventDriver 153 @fileutil 20.036.15 @filesystems.autofs 3.0 |IO!BSerialManager 7.0.0f8 >!AUpstreamUserClient 3.6.8 @kext.AMDFramebuffer 3.0.0 @kext.AMDRadeonX5000 3.0.0 @kext.AMDRadeonServiceManager 3.0.0 >AudioAUUC 1.70 >!AGraphicsDevicePolicy 4.1.46 @AGDCPluginDisplayMetrics 4.1.46 >!AHV 1 |IOUserEthernet 1.0.1 >pmtelemetry 1 >BCMWLANFirmware4355.Hashstore 1 >AGPM 111.1.18 >X86PlatformShim 1.0.0 >!APlatformEnabler 2.7.0d0 @Dont_Steal_Mac_OS_X 7.0.0 >BCMWLANFirmware4377.Hashstore 1 >!AHDA 283.14 >!A!IKBLGraphics 14.0.0 >BCMWLANFirmware4364.Hashstore 1 @kext.AMD10000!C 3.0.0 >!AThunderboltIP 3.1.3 |!ABCM5701Ethernet 10.3.5 >eficheck 1 >!ABCMWLANBusInterfacePCIe 1 >!AGFXHDA 100.1.421 >!A!IPCHPMC 2.0.1 >!A!ICFLGraphicsFramebuffer 14.0.0 >!ASMCLMU 212 >!AMCCSControl 1.12 >!A!ISlowAdaptiveClocking 4.0.0 |SCSITaskUserClient 422.0.2 >!AVirtIO 1.0 @filesystems.hfs.kext 522.0.9 @!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1 @BootCache 40 @!AFSCompression.!AFSCompressionTypeZlib 1.0.0 >!ASDXC 1.7.7 @filesystems.apfs 1412.11.7 >!AAHCIPort 341.0.2 @private.KextAudit 1.0 >!AACPIButtons 6.1 >!ARTC 2.0 >!ASMBIOS 2.1 >!AACPIEC 6.1 >!AAPIC 1.7 $!AImage4 1 @nke.applicationfirewall 302 $TMSafetyNet 8 @!ASystemPolicy 2.0.0 |EndpointSecurity 1 >usb.cdc.ncm 5.0.0 >!AHIDKeyboard 209 >!AMultitouchDriver 3400.35 >!AInputDeviceSupport 3400.27 >!AHS!BDriver 153 >IO!BHIDDriver 7.0.0f8 @kext.triggers 1.0 @kext.AMDRadeonX5400HWLibs 1.0 @kext.AMDRadeonX5000HWServices 3.0.0 >!AGraphicsControl 4.1.46 |IOAVB!F 800.17 >!ASSE 1.0 @plugin.IOgPTPPlugin 800.14 >DspFuncLib 283.14 @kext.OSvKernDSPLib 529 @!AGPUWrangler 4.1.46 >!AHDA!C 283.14 |IOHDA!F 283.14 |IOEthernetAVB!C 1.1.0 >!ABCMWLANCore 1.0.0 >mDNSOffloadUserClient 1.0.1b8 >IOImageLoader 1.0.0 |IO80211!FV2 1200.12.2b1 >corecapture 1.0.4 |IOAudio!F 300.2 @vecLib.kext 1.2.0 |IONDRVSupport 558.3 >!ASMBusPCI 1.0.14d1 |IO!BHost!CUARTTransport 7.0.0f8 |IO!BHost!CTransport 7.0.0f8 |IO!B!F 7.0.0f8 |IO!BPacketLogger 7.0.0f8 >!A!ILpssUARTv1 3.0.60 >!A!ILpssUARTCommon 3.0.60 >!AOnboardSerial 1.0 |IOSkywalk!F 1 @kext.AMDSupport 3.0.0 @!AGraphicsDeviceControl 4.1.46 |IOAccelerator!F2 438.1.23 >!ASMBus!C 1.0.18d1 |IOGraphics!F 558.3 >X86PlatformPlugin 1.0.0 >IOPlatformPlugin!F 6.0.0d8 |IOSlowAdaptiveClocking!F 1.0.0 >usb.cdc 5.0.0 >usb.networking 5.0.0 >usb.!UHostCompositeDevice 1.2 >usb.!UHub 1.2 >!AThunderboltDPOutAdapter 6.2.3 >!AThunderboltDPInAdapter 6.2.3 >!AThunderboltDPAdapter!F 6.2.3 >!AThunderboltPCIUpAdapter 2.5.2 >!AThunderboltPCIDownAdapter 2.5.2 >!AHPM 3.4.4 >!A!ILpssI2C!C 3.0.60 >!A!ILpssDmac 3.0.60 >!A!ILpssI2C 3.0.60 |IOSerial!F 11 |IOSurface 269.6 @filesystems.hfs.encodings.kext 1 >!AThunderboltNHI 5.5.8 |IOThunderbolt!F 7.4.5 |IONVMe!F 2.1.0 |IOAHCI!F 290.0.1 >usb.!UXHCIPCI 1.2 >usb.!UXHCI 1.2 >usb.!UHostPacketFilter 1.0 |IOUSB!F 900.4.2 >!AEFINVRAM 2.1 >!AEFIRuntime 2.1 |IOSMBus!F 1.1 |IOHID!F 2.0.0 $quarantine 4 $sandbox 300.0 @kext.!AMatch 1.0.0d1 >DiskImages 493.0.0 >!AFDEKeyStore 28.30 >!AEffaceable!S 1.0 >!AKeyStore 2 >!UTDM 489.11.2 |IOSCSIBlockCommandsDevice 422.0.2 >!ACredentialManager 1.0 >KernelRelayHost 1 >!ASEPManager 1.0.1 >IOSlaveProcessor 1 |IOTimeSync!F 800.14 |IONetworking!F 3.4 |IOUSBMass!SDriver 157.11.2 |IOSCSIArchitectureModel!F 422.0.2 |IO!S!F 2.1 |IOUSBHost!F 1.2 >!UHostMergeProperties 1.2 >usb.!UCommon 1.0 >!ABusPower!C 1.0 |CoreAnalytics!F 1 >!AMobileFileIntegrity 1.0.5 @kext.CoreTrust 1 |IOReport!F 47 >!AACPIPlatform 6.1 >!ASMC 3.1.9 >watchdog 1 |IOPCI!F 2.9 |IOACPI!F 1.4 @kec.pthread 1 @kec.Libm 1 @kec.corecrypto 1.0